Hammer



FIG. 1 is a perspective view of a hammer showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left view thereof;

FIG. 5 is a right view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is another perspective view thereof.

The portions of the figures shown in broken lines are shown forillustrative purposes only and form no part of the claimed design.

CLAIM The ornamental design for a hammer, as shown and described.